67676277456 has 60 divisors (see below), whose sum is σ = 189695315940. Its totient is φ = 22523535360.

The previous prime is 67676277451. The next prime is 67676277491. The reversal of 67676277456 is 65477267676.

67676277456 is a `hidden beast` number, since 67 + 67 + 62 + 7 + 7 + 456 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47997799056 + 19678478400 = 219084^2 + 140280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 67676277393 and 67676277402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67676277451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274291 + ... + 458898.

It is an arithmetic number, because the mean of its divisors is an integer number (3161588599).

Almost surely, 2^67676277456 is an apocalyptic number.

It is an amenable number.

67676277456 is an abundant number, since it is smaller than the sum of its proper divisors (122019038484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67676277456 is a wasteful number, since it uses less digits than its factorization.

67676277456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733844 (or 733835 counting only the distinct ones).

The product of its digits is 124467840, while the sum is 63.

The spelling of 67676277456 in words is "sixty-seven billion, six hundred seventy-six million, two hundred seventy-seven thousand, four hundred fifty-six".